Ken Mattingly was moved from the aid crew into parallel schooling with Anders as backup CMP just in case Apollo 11 was delayed past its supposed July start date, at which point Anders could well be unavailable.[fifty nine] The a hundred-collection figures ended up reserved for that Saturn I rocket, In order-one zero one might be the primary

Wernher von Braun and Some others also had options for the rocket that would have highlighted 8 F-1 engines in its to start with phase, much like the Saturn C-8, allowing for a direct ascent flight for the Moon. Other ideas to the Saturn V identified as for utilizing a Centaur as an upper phase or introducing strap-on boosters. These enhancemen